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74F273A 数据表(PDF) 5 Page - NXP Semiconductors |
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74F273A 数据表(HTML) 5 Page - NXP Semiconductors |
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5 / 10 page  Philips Semiconductors Product specification 74F273A Octal D flip–flop 1996 Mar 12 5 DC ELECTRICAL CHARACTERISTICS (Over recommended operating free-air temperature range unless otherwise noted.) SYMBOL PARAMETER TEST LIMITS UNIT CONDITIONS1 MIN TYP2 MAX MR & CP VCC = MIN, VIL = 0.0V3, ±10%VCC 2.5 V VOH High-level output voltage inputs VIH = 4.5V3, IOH = MAX ±5%VCC 2.7 3.4 V other VCC = MIN, VIL = MAX, ±10%VCC 2.5 V inputs VIH = MIN, IOH = MAX ±5%VCC 2.7 3.4 V VOL Low-level output voltage VCC = MIN, VIL = MAX, ±10%VCC 0.30 0.50 V VIH = MIN, IOH = MAX ±5%VCC 0.30 0.50 V VIK Input clamp voltage VCC = MIN, II = IIK –0.73 -1.2 V II Input current at maximum input voltage VCC = 0.0V, VI = 7.0V 100 µA IIH High–level input current VCC = MAX, VI = 2.7V 20 µA IIL Low–level input current VCC = MAX, VI = 0.5V –20 µA IOS Short–circuit output current4 VCC = MAX -60 -150 mA ICC Supply current (total) ICCH VCC = MAX 24 38 mA ICCL 27 43 mA NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type. 2. All typical values are at VCC = 5V, Tamb = 25°C. 3. To reduce the effect of external noise during test. 4. Not more than one output should be shorted at a time. For testing IOS, the use of high-speed test apparatus and/or sample-and-hold techniques are preferable in order to minimize internal heating and more accurately reflect operational values. Otherwise, prolonged shorting of a high output may raise the chip temperature well above normal and thereby cause invalid readings in other parameter tests. In any sequence of parameter tests, IOS tests should be performed last. AC CHARACTERISTICS FOR ’F273A LIMITS SYMBOL PARAMETER WAVEFORM Tamb = +25°C VCC = +5.0V CL = 50pF RL = 500Ω Tamb = 0°C to +70°C VCC = +5.0V ±10% CL = 50pF RL = 500Ω UNIT Min Typ Max Min Max fMAX Maximum clock frequency 1 150 170 125 MHz tPLH tPHL Propagation delay CP to Qn 1 3.5 5.0 5.0 7.0 8.0 9.5 3.0 4.5 9.0 10.0 ns tPHL Propagation delay MR to Qn 2 5.0 7.0 9.0 5.0 9.5 ns |
类似零件编号 - 74F273A |
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类似说明 - 74F273A |
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